Digital Frequency Relay

Well-known in the industry as a manufacturer, supplier, exporter and trader, we are engrossed in offering Digital Frequency Relay. Provide continuous display of the measured frequency, these relays are applied as backup protection for mechanical over speed devices in order to avoid damages. Finds its application in generator and captive power plant, our offered relays are also used for mechanical over speed devices.
Features:
Low maintenance
User selectable trip timings
High performance
Details:
Dedicated microcontroller based
Accurate, reliable and tropicalized design
Continuous display of the measured frequency
User selectable upper frequency and lower frequency limits
User selectable trip timings
Uses SMPS for Auxiliary Power i.e. Wide operating range for Auxiliary Input 85V-285V ACDC
Specifications:
Rated Voltage: 230V415V AC
Auxiliary Supply: 85V-275V ACDC
Frequency Setting Range: 40-60 Hz. In steps of 0.1 Hz
Power Supply Burden:
Contact: Single change over contacts For Under frequency 8 Amps@250V AC, 8 Amps@30VDC Potential free contacts
Turn Off delay: 0.05-10.0 Sec In steps of 0.05sec Definite time, User selectable
Dimensions: 144X144X120 mm
Panel Cut Out: 137X137 mm
Applications:
Generator and captive power plant
Over frequency relay applied as backup protection for mechanical over speed devices to avoid damages to prime mover
Under frequency relay applied to protect field winding from excessive current, voltage regulator from over load
Servo controller and inverters